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@ -130,6 +130,11 @@ type Table struct {
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// Likewise for entire columns.
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selected func(row, column int)
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// An optional function which gets called when the user changes the selection.
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// If entire rows selected, the column value is undefined.
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// Likewise for entire columns.
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selectionChanged func(row, column int)
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// An optional function which gets called when the user presses Escape, Tab,
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// or Backtab. Also when the user presses Enter if nothing is selectable.
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done func(key tcell.Key)
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@ -203,6 +208,13 @@ func (t *Table) GetSelectable() (rows, columns bool) {
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return t.rowsSelectable, t.columnsSelectable
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}
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// GetSelection returns the position of the current selection.
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// If entire rows are selected, the column index is undefined.
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// Likewise for entire columns.
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func (t *Table) GetSelection() (row, column int) {
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return t.selectedRow, t.selectedColumn
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}
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// Select sets the selected cell. Depending on the selection settings
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// specified via SetSelectable(), this may be an entire row or column, or even
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// ignored completely.
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@ -230,6 +242,15 @@ func (t *Table) SetSelectedFunc(handler func(row, column int)) *Table {
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return t
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}
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// SetSelectionChangedFunc sets a handler which is called whenever the user changes
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// selected cell/row/column. The handler receives the position of the selection.
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// If entire rows are selected, the column index is undefined.
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// Likewise for entire columns.
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func (t *Table) SetSelectionChangedFunc(handler func(row, column int)) *Table {
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t.selectionChanged = handler
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return t
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}
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// SetDoneFunc sets a handler which is called whenever the user presses the
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// Escape, Tab, or Backtab key. If nothing is selected, it is also called when
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// user presses the Enter key (because pressing Enter on a selection triggers
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@ -637,6 +658,9 @@ func (t *Table) InputHandler() func(event *tcell.EventKey, setFocus func(p Primi
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return
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}
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var previouslySelectedRow = t.selectedRow
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var previouslySelectedColumn = t.selectedColumn
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// Movement functions.
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var (
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getCell = func(row, column int) *TableCell {
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@ -819,5 +843,10 @@ func (t *Table) InputHandler() func(event *tcell.EventKey, setFocus func(p Primi
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t.selected(t.selectedRow, t.selectedColumn)
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}
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}
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if t.selectionChanged != nil &&
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(previouslySelectedRow != t.selectedRow || previouslySelectedColumn != t.selectedColumn) {
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t.selectionChanged(t.selectedRow, t.selectedColumn)
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}
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}
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}
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